:root {
  --surface-page: #f8f8f2;
  --surface-section: #eeeee6;
  --surface-secondary: #e4eaff;
  --surface-primary: #c94b0b;
  --surface-primary-hover: #b33e06;
  --surface-accent: #173fc4;
  --text-primary: #172346;
  --text-secondary: #586079;
  --text-inverse: #fff;
  --text-action: #172346;
  --focus-color: #173fc4;
  --border-default: #cbd0d7;
  --border-subtle: #dce0e7;
  --font-family: "Geologica", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  --heading-size: 48px;
  --heading-leading: 52px;
  --title-size: 24px;
  --title-leading: 32px;
  --body-size: 16px;
  --body-leading: 24px;
  --subtitle-size: 20px;
  --subtitle-leading: 26px;
  --brand-size: 32px;
  --brand-leading: 40px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --radius-control: 8px;
  --radius-panel: 16px;
  --card-padding: 32px;
  --page-gutter: 32px;
  --content-width: 1248px;
  --heading-gap: 16px;
  --content-gap: 48px;
  --block-pad-top: 104px;
  --block-pad-bottom: 56px;
  --tracking-accent: -.05em;
  --tracking-brand: -.04em;
  --type-heading: 700 var(--heading-size)/var(--heading-leading) var(--font-family);
  --type-title: 700 var(--title-size)/var(--title-leading) var(--font-family);
  --type-body: 400 var(--body-size)/var(--body-leading) var(--font-family);
  --type-body-strong: 700 var(--body-size)/var(--body-leading) var(--font-family);
  --type-subtitle: 500 var(--subtitle-size)/var(--subtitle-leading) var(--font-family);
  --type-brand: 700 var(--brand-size)/var(--brand-leading) var(--font-family);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font: var(--type-body);
  letter-spacing: normal;
  color: var(--text-primary);
  background: var(--surface-page);
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font: inherit; color: inherit; }

a { color: inherit; text-decoration: none; }

:focus-visible { outline: 2px solid var(--focus-color); outline-offset: 4px; }

::selection { background: var(--surface-primary); color: var(--text-inverse); }

.container { width: calc(100% - 2 * var(--page-gutter)); max-width: var(--content-width); margin: 0 auto; }

main { flex: 1 0 auto; }

header { position: sticky; top: 0; z-index: 100; background: var(--surface-page); box-shadow: none; transition: box-shadow .18s ease; }
header.is-scrolled { box-shadow: 0 8px 28px rgb(23 35 70 / 8%); transform: translateZ(0); }
.header-scroll-sentinel { height: 1px; pointer-events: none; visibility: hidden; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0; }
.logo { display: flex; align-items: center; gap: 0; font: var(--type-brand); letter-spacing: var(--tracking-brand); color: var(--surface-accent); }
.logo-mark { display: block; width: 48px; height: 48px; flex: 0 0 auto; color: var(--surface-accent); overflow: visible; }
.logo-wordmark { position: relative; margin-left: -20px; transform: translateY(6px); font-size: 28px; line-height: 36px; letter-spacing: .015em; text-transform: uppercase; white-space: nowrap; }
.header-contacts { display: flex; align-items: center; gap: var(--space-5); flex-wrap: nowrap; }
.header-contacts .email { color: var(--text-primary); }
.header-contacts .phone { font: var(--type-subtitle); letter-spacing: normal; color: var(--text-primary); white-space: nowrap; }
.header-actions { display: flex; align-items: center; gap: var(--space-2); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 56px; padding: 12px 28px; border: 2px solid transparent; border-radius: var(--radius-control); font: var(--type-body); letter-spacing: normal; text-align: center; cursor: pointer; transition: background-color .18s, color .18s; }
.btn-primary { background: var(--surface-primary); color: var(--text-inverse); border-color: transparent; }
.btn-primary:hover { background: var(--surface-primary-hover); }
.btn-outline { background: transparent; color: var(--surface-accent); border-color: currentColor; }
.btn-outline:hover { background: var(--surface-section); }

.contacts { padding: var(--block-pad-top) 0 var(--block-pad-bottom); }
.contacts h1 { max-width: none; margin-bottom: var(--heading-gap); font: var(--type-heading); letter-spacing: var(--tracking-accent); text-wrap: balance; }
.contacts-lead { max-width: 60ch; margin: 0 0 var(--content-gap); font: var(--type-subtitle); letter-spacing: normal; }
.contacts-grid { display: grid; grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr); gap: 24px; align-items: stretch; }
.contact-methods { display: flex; flex-direction: column; gap: 24px; }
.contact-method {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  flex: 1 1 auto;
  min-height: 0;
  padding: var(--card-padding);
  border-radius: var(--radius-panel);
  background: var(--surface-secondary);
  transition: background-color .18s ease;
}
.contact-method:hover { background: #fff; }
.contact-method-icon { display: block; width: 52px; height: 52px; color: var(--surface-accent); }
.contact-method-label { color: var(--text-secondary); }
.contact-method-value { font: var(--type-title); letter-spacing: var(--tracking-accent); text-wrap: balance; }
.contact-method:hover .contact-method-value { color: var(--surface-accent); }
.requisites { padding: var(--card-padding); border-radius: var(--radius-panel); background: #fff; }
.requisites h2 { margin-bottom: 24px; font: var(--type-title); letter-spacing: var(--tracking-accent); }
.req-list { display: grid; grid-template-columns: max-content minmax(0, 1fr); }
.req-list dt,
.req-list dd { padding: 16px 0; border-bottom: 1px solid var(--border-subtle); }
.req-list dt { padding-right: 32px; color: var(--text-secondary); }
.req-list dd { margin: 0; font: var(--type-body-strong); }
.req-list dt:first-of-type,
.req-list dd:first-of-type { padding-top: 0; }
.req-list dt:last-of-type,
.req-list dd:last-of-type { padding-bottom: 0; border-bottom: 0; }

footer { padding: 48px 0 32px; background: var(--text-primary); color: var(--text-inverse); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: var(--space-4); }
.foot-brand { display: flex; align-items: center; gap: 0; margin-bottom: var(--space-2); font: var(--type-brand); letter-spacing: var(--tracking-brand); color: var(--text-inverse); }
.foot-brand .logo-mark { color: #8faaff; }
.foot-desc { color: color-mix(in srgb, var(--text-inverse) 82%, transparent); }
.foot-col h4 { margin-bottom: var(--space-2); font: var(--type-body-strong); letter-spacing: normal; color: var(--text-inverse); }
.foot-col a,
.foot-col p { display: block; color: color-mix(in srgb, var(--text-inverse) 82%, transparent); }
.foot-col a + a { margin-top: var(--space-1); }
.foot-col a:hover,
.foot-col a[aria-current="page"] { color: var(--text-inverse); }
.foot-bottom { padding-top: var(--space-3); border-top: 1px solid color-mix(in srgb, var(--text-inverse) 16%, transparent); color: color-mix(in srgb, var(--text-inverse) 62%, transparent); }

@media (min-width: 1440px) {
  :root { --block-pad-bottom: 88px; }
}

@media (max-width: 1199px) {
  :root {
    --heading-size: 40px;
    --heading-leading: 44px;
    --title-size: 20px;
    --title-leading: 28px;
    --block-pad-top: 72px;
    --block-pad-bottom: 48px;
    --card-padding: 28px;
    --page-gutter: 24px;
    --content-gap: 28px;
  }
  .header-inner { flex-wrap: wrap; padding: 16px 0; gap: 12px; }
  .logo { white-space: nowrap; flex-shrink: 0; }
  .header-contacts { flex: 1 1 240px; min-width: 0; flex-wrap: wrap; justify-content: flex-end; gap: 8px 12px; }
  .header-contacts .phone,
  .header-contacts .email { font-size: 14px; line-height: 20px; }
  .header-contacts .btn { min-height: 48px; padding: 10px 18px; font-size: 14px; line-height: 20px; }
  .header-actions { flex-shrink: 0; gap: 8px; }
  .contacts-grid { grid-template-columns: minmax(0, 1fr); }
  .contact-methods { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 767px) {
  :root {
    --heading-size: 32px;
    --heading-leading: 36px;
    --title-size: 18px;
    --title-leading: 26px;
    --subtitle-size: 18px;
    --subtitle-leading: 24px;
    --block-pad-top: 56px;
    --block-pad-bottom: 40px;
    --card-padding: 24px;
    --page-gutter: 20px;
    --content-gap: 24px;
  }
  .header-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto auto;
    align-items: center;
    padding: 12px 0;
    gap: 10px 12px;
  }
  .logo { grid-column: 1; grid-row: 1; font-size: 26px; line-height: 32px; }
  .logo .logo-mark { width: 40px; height: 40px; }
  .logo .logo-wordmark { margin-left: -18px; transform: translateY(4px); font-size: 23px; line-height: 30px; }
  .header-contacts { display: contents; }
  .header-contacts .phone { grid-column: 1; grid-row: 2; font-size: 15px; line-height: 22px; }
  .header-contacts .email {
    grid-column: 1 / -1;
    grid-row: 3;
    font-size: 14px;
    line-height: 20px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .header-actions { grid-column: 2; grid-row: 1; gap: 8px; }
  .header-contacts .btn { min-height: 44px; padding: 10px; font-size: 14px; line-height: 20px; }
  .contact-methods,
  .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .req-list { grid-template-columns: minmax(0, 1fr); }
  .req-list dt { padding: 16px 0 0; border-bottom: 0; }
  .req-list dd { padding-top: 4px; }
  .req-list dt:first-of-type { padding-top: 0; }
  .req-list dd:last-of-type { border-bottom: 0; }
}

@media (max-width: 389px) {
  .header-inner { grid-template-rows: auto auto auto auto; }
  .logo { grid-column: 1 / -1; }
  .header-actions { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; }
  .header-contacts .phone { grid-row: 3; }
  .header-contacts .email { grid-row: 4; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .contact-method, header { transition: none; }
}